Quercus  

The Latin name for an oak tree is quercus. 

To remember that the Latin name for an oak tree is quercus, use the following mnemonic.

See the mnemonic created for oak tree.

Imagine that the Roundhead had to send a report to his boss (Oliver Cromwell) and he pulled out his qwerty board and then starting cursing (quercus) because it had got broken.